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NTCHIMEAN

Returns mean of a specified chi distribution.

Syntax

NTCHIMEAN(

N

)

Parameters

N is a parameter of the distribution $N$ (Positive integer).

Remarks

The mean of the distribution is given as:

$\sqrt{2}\frac{\Gamma\left(\frac{N+1}{2}\right)}{\Gamma\left(\frac{N}{2}\right)}$

, where $\Gamma(\cdot)$ is gamma function.

Example

The example may be easier to understand if you copy it to a blank worksheet

How to copy an example
1. Create a blank workbook or worksheet.
2. Select the example in the Help topic.
  Note Do not select the row or column headers.
  
  Selecting an example from Help
3. Press CTRL+C.
4. In the worksheet, select cell A1, and press CTRL+V.
5. To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Tools menu, point to Formula Auditing, and then click Formula Auditing Mode.
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Data Description

8 Value of parameter N

Formula Description (Result)

=NTCHIMEAN(A2) Mean of the distribution for the terms above

See also

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